Subtract 4/10 from 75/27, Solve 2 21/27

Subtract 4/10 from 75/27

1^st number: 2 21/27, 2^nd number: 4/10

75/27 - 4/10 is 107/45.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 27 × 10 = 270,
75/27 = 75 × 10/27 × 10 = 750/270
Likewise, for the 2nd fraction, since 10 × 27 = 270,
4/10 = 4 × 27/10 × 27 = 108/270
Subtract the two like fractions:
750/270 - 108/270 = 750 - 108/270 = 642/270
After reducing the fraction, the answer is 107/45
In mixed form: 217/45

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